diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 9c9f29d..b76c9c4 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -26,6 +26,7 @@ module ApplicationHelper
   include GravatarHelper::PublicMethods
   include Redmine::Pagination::Helper
   include Redmine::SudoMode::Helper
+  include Redmine::Themes::Helper
   include Redmine::Hook::Helper
 
   extend Forwardable
diff --git a/lib/redmine/themes.rb b/lib/redmine/themes.rb
index a9a59bb..9792d10 100644
--- a/lib/redmine/themes.rb
+++ b/lib/redmine/themes.rb
@@ -114,6 +114,22 @@ module Redmine
       end
     end
 
+    module Helper
+      def current_theme
+        unless instance_variable_defined?(:@current_theme)
+          @current_theme = Redmine::Themes.theme(Setting.ui_theme)
+        end
+        @current_theme
+      end
+    
+      # Returns the header tags for the current theme
+      def heads_for_theme
+        if current_theme && current_theme.javascripts.include?('theme')
+          javascript_include_tag current_theme.javascript_path('theme')
+        end
+      end
+    end
+
     private
 
     def self.scan_themes
@@ -125,19 +141,3 @@ module Redmine
     end
   end
 end
-
-module ApplicationHelper
-  def current_theme
-    unless instance_variable_defined?(:@current_theme)
-      @current_theme = Redmine::Themes.theme(Setting.ui_theme)
-    end
-    @current_theme
-  end
-
-  # Returns the header tags for the current theme
-  def heads_for_theme
-    if current_theme && current_theme.javascripts.include?('theme')
-      javascript_include_tag current_theme.javascript_path('theme')
-    end
-  end
-end